package com.zelin.service;

import com.zelin.pojo.Student;
import com.zelin.pojo.StudentExample;
import java.util.List;


public interface StudentService {


long countByExample(StudentExample example);

int deleteByExample(StudentExample example);

int deleteByPrimaryKey(Integer sid);

int insert(Student record);

int insertSelective(Student record);

List<Student> selectByExample(StudentExample example);

Student selectByPrimaryKey(Integer sid);

int updateByExampleSelective(Student record, StudentExample example);

int updateByExample(Student record, StudentExample example);

int updateByPrimaryKeySelective(Student record);

int updateByPrimaryKey(Student record);

}
